US 309 / 309S (UNS S30900/ S30908) karfe

TYPES 309 DA 309S  baƙin ƙarfe ne na chromium-nickel austenitic waɗanda ke ba da kyakkyawan juriya na lalata da juriya mai zafi tare da kyakkyawan ƙarfi a ɗaki da yanayin zafi. Nau'in 309S  yayi kama da Nau'in 309 sai dai ƙaramin abun ciki na carbon wanda ke rage hazo mai carbide kuma yana haɓaka walƙiya.

Alloy 309 da 309S sun fi sani da sabis na zafin jiki mai girma. Wannan gami yana aiki da kyau har zuwa 2000 °F, musamman idan ana buƙatar juriya na iskar shaka. 309 da 310 bakin karfe sune manyan ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ma'auni na gama gari da ake samu daga hannun jarinmu. Babban abun ciki na nickel da chromium da babban tsarin hatsi yana haifar da:

• Ingantacciyar juriya ga oxidation cyclic
• Ƙara juriya ga sulfidation
• Mafi kyawun ƙarfin zafin jiki
• Ingantacciyar juriya ga lalatawar intergranular

309S (UNS S30908) bakin karfe shine ƙaramin sigar carbon na gami. Ana amfani da shi don sauƙin ƙirƙira.

309H (UNS S30909) babban gyaran carbon ne wanda aka haɓaka don haɓaka juriya mai raɗaɗi. Yawancin lokuta girman hatsi da abun cikin carbon na farantin na iya saduwa da buƙatun 309S da 309H. Lokacin da aka yi zafi tsakanin 1202 – 1742°F (650 – 950°C) gawa yana ƙarƙashin hazo lokaci na sigma. Magani mai shafewa a 2012 – 2102°F (1100 – 1150°C) zai dawo da matakin tauri. Alloy 309 za a iya sauƙi waldawa da sarrafa shi ta daidaitattun ayyukan ƙirƙira kanti.

Haɗin Sinadari

Daraja	C	Si	P	S	Cr	Mn	Ni	Fe
309	0.20 max	1.0 max	0.045 max	0.030 max	22.0 - 24.0	2.0 max	12.0 - 15.0	Rago
309S	0.08 max	1.0 max	0.045 max	0.030 max	22.0 - 24.0	2.0 max	12.0 - 15.0	Rago

Kayayyakin Injini

Daraja	Ƙarfin Tensile (ksi)	0.2% Ƙarfin Haɓaka (ksi)	Tsawaita% a cikin inci 2
309	75	30	40
309S	70	25	40

Abubuwan Jiki

	309	309S	Zazzabi a cikin ° C
Yawan yawa	7.9g /cm³	8.03g /cm³	Daki
Takamaiman Zafi	0.12 Kcal /kg.C	0.12 Kcal /kg.C	22°
Rage Narkewa	1399 - 1454 ° C	1399 - 1454 ° C	-
Modulus na Elasticity	200 KN /mm²	200 KN /mm²	22°
Juriya na Lantarki	78µΩ.cm	78µΩ.cm	Daki
Adadin Faɗawa	14.9µm /m °C	14.9µm /m °C	20 - 100 °
Thermal Conductivity	15.6 W /m -°K	15.6 W /m -°K	20°

FAQ
Q. Zan iya samun odar samfurin samfuran farantin bakin karfe?
A: Ee, muna maraba da samfurin samfurin don gwadawa da duba inganci. Samfurori masu gauraya ana karɓa.

Q. Game da lokacin jagora fa?
A: Samfurin yana buƙatar kwanaki 3-5;

Q. Kuna da kowane iyaka MOQ don samar da samfuran farantin bakin karfe?
A: Low MOQ, 1pcs don duba samfurin yana samuwa

Q. Yaya kuke jigilar kaya kuma tsawon nawa ake ɗauka don isowa?
A: Yawancin lokaci muna jigilar kaya ta DHL, UPS, FedEx ko TNT. Yawancin lokaci yana ɗaukar kwanaki 3-5 don isowa. Jirgin jirgin sama da jigilar ruwa kuma na zaɓi ne. Don samfuran jama'a, an fi son jigilar kayayyaki.

Q. Shin yana da kyau a buga tambari na akan samfura?
A: iya. OEM da ODM suna samuwa a gare mu.

Tambaya: Yadda za a tabbatar da inganci?
A: Ana ba da Takaddun Gwajin Mill tare da jigilar kaya. Idan an buƙata, Binciken Wani ɓangare na uku abin karɓa ne